CactiPhone is a little (server side) plugin for cacti (http://www.cacti.net) that allows you to view the cacti graphs on your smartphone. It is written in php and supports all types of smartphones browser (Safari, Dolphin, Android's default browser and so on).
Enjoy!
MN Viewer, short for Mobile Network Viewer, is a lightweight framework that is designed for system administrators who would like to be able to monitor many aspects of their network, right from their mobile phone.
NConf is a PHP based web-tool for configuring the Nagios monitoring software. It differs from similar tools by offering enterprise-class features like templates, dependencies and the ability to configure a large-scale, distributed Nagios topology.